ArticleFrontiers in oral health2026
Prevalence and associated complications of supernumerary teeth in a clinical CBCT sample from the hail region, Saudi Arabia: a retrospective study.
Article in Frontiers in oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: Cone beam computed tomography (CBCT) from dental records prior to orthodontic treatment was used in this investigation to determine the prevalence, characteristics, and associated consequences of Supernumerary teeth (ST). Methods: A retrospective analysis of 266 CBCT scans from patients ages 9 to 55 that were obtained between 2010 and 2025 was conducted. Every ST was evaluated for its forms, morphology, position, eruption status, closeness to neighboring roots, and associated complication. The chi-square or Fisher's exact tests and multivariate logistic regression were used. At α = 0.05, the threshold for statistical significance was established. Results: 163 ST were present in 97 patients (36.6%). Among the most prevalent were premolars (38.8%), lateral incisors (21.4%), mesiodens, and canines (15.3% each). The mandible (19.0%) and left side (20.5%) had slightly higher ST rates than the maxilla (16.2%). The majority had impaction (73.5%), inclined position (37.8%), and supplement morphology (51.0%). The overall prevalence did not differ by sex ( Conclusion: This CBCT study reported a high prevalence (36.6%) of ST in a Saudi subpopulation. The mandibular and premolar ST were the most frequently observed and the gender and arch difference was observed with significance. Impaction and delayed eruption were the most common complications. Due to the inherent issues with CBCT-based datasets, and the retrospective design may result in selection bias.
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